org 7c00h

mov ax, cs
mov es, ax 
mov ax, logo
mov bp, ax
mov cx, len
mov ax, 1301h
mov bx, 000fh
mov dl, 0
int 10h

logo: db "LiteOS 0.1 (c) 2013-2017 dreamyouxi.com"
len: equ $ - logo
times 510 - ($ - $$) db 0
dw 0aa55h